1h 55m
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The Doctor and Ruby Sunday have faced the Bogeyman, fought against Maestro, and survived the battlefield of Kastarion 3. In the epic two-part season finale, The Doctor and Ruby arrive at UNIT headquarters on a top-secret mission and a long-buried secret awaits…
Ncuti Gatwa
The Doctor
Millie Gibson
Ruby Sunday
Jemma Redgrave
Kate Lethbridge-Stewart
Yasmin Finney
Rose Noble
Alexander Devrient
Colonel Christofer Ibrahim
Lenny Rush
Morris Gibbons
Genesis Lynea
Harriet Arbinger
Aidan Cook
The Vlinx
Nicholas Briggs
The Vlinx (voice)
Susan Twist
Susan Triad
Bonnie Langford
Melanie Bush
Michelle Greenidge
Carla Sunday
Anita Dobson
Mrs Flood
Angela Wynter
Cherry Sunday
Tachia Newall
Colonel Winston Chidozie
Gabriel Woolf
Sutekh (voice)
Jasmine Bayes
Corporal Alice Sullivan
Sian Clifford
Kind Woman
Amol Rajan
Amol Rajan (archive footage)
Aneurin Barnard
Roger ap Gwilliam (archive footage)
Faye McKeever
Louise Miller
Tom Baker
The Doctor (archive footage) (uncredited)
Elisabeth Sladen
Sarah Jane Smith (archive footage) (uncredited)